Hazardous Weather Conditions
Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Thunderstorm in Vicinity Light Rain Fog/Mist
68°F
20°C
| Humidity | 96% |
| Wind Speed | S 10 G 23 mph |
| Barometer | 29.60 in (1002.3 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 4.00 mi |
| Last update | 15 Jun 3:56 am EDT |
Extended Forecast for
South Dennis MA
Overnight
Low: 65 °F
Showers and
Patchy FogMonday
High: 85 °F
Chance
T-storms and
Patchy Fog
then Mostly
SunnyMonday Night
Low: 63 °F
Partly Cloudy
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 80 °F
Mostly Sunny
Wednesday Night
Low: 64 °F
Partly Cloudy
Thursday
High: 83 °F
Chance
Showers then
Partly SunnyThursday Night
Low: 69 °F
Chance
Showers
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 65. South wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 10am. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Southwest wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 63. Calm wind becoming northwest around 6 mph after midnight.
Tuesday
Sunny, with a high near 79. North wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Southwest wind 3 to 7 mph.
Wednesday
Mostly sunny, with a high near 80. Light south wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 64. South wind 3 to 5 mph.
Thursday
A chance of showers between 11am and noon. Partly sunny, with a high near 83. South wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 69. South wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Juneteenth
A chance of showers. Partly sunny, with a high near 85. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 68. West wind 6 to 9 mph.
Saturday
Sunny, with a high near 86. West wind 8 to 13 mph.
Saturday Night
Mostly clear, with a low around 67. West wind 6 to 8 mph.
Sunday
Sunny, with a high near 84. Southwest wind 6 to 10 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
South Dennis MA
41.69°N 70.16°W (Elev. 7 ft)
41.69°N 70.16°W (Elev. 7 ft)
12:23 am EDT Jun 15, 2026
4am EDT Jun 15, 2026-6pm EDT Jun 21, 2026
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